Add 40/70 and 7/49
40/70 + 7/49 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
40/70 = 40 × 7/70 × 7 = 280/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
7/49 = 7 × 10/49 × 10 = 70/490 - Add the two like fractions:
280/490 + 70/490 = 280 + 70/490 = 350/490 - 350/490 simplified gives 5/7
- So, 40/70 + 7/49 = 5/7
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